The weather in Waikiki in August is very hot. The average temperatures are between 24°C and 28°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Waikiki during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Waikiki in August 2025.
If you’re planning to visit Waikiki in the near future, we highly recommend that you review the 14 day weather forecast for Waikiki before you arrive.
Temperatures
28° / 24°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
33
mm
Sun Hours
6.9
Hrs
